/*
 * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the distribution.
 *  - Neither the name of Oracle Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package unlock;

import java.io.IOException;
import javafx.fxml.FXMLLoader;
import javafx.scene.layout.VBox;
import javafx.util.Callback;

/**
 * Keypad is a custom type which uses FXML to load its content.
 */
public class Keypad extends VBox {
    
    private final KeypadController controller;
    public Keypad() {
        controller = load();
    }
    
    private KeypadController load() {
        
        final FXMLLoader loader = new FXMLLoader();
        
        // fx:root is this node.
        loader.setRoot(this);
        
        // The FXMLLoader should use the class loader that loaded
        // this class (Keypad).
        loader.setClassLoader(this.getClass().getClassLoader());
        
        // Keypad.fxml contains the configuration for 'this'
        loader.setLocation(this.getClass().getResource("Keypad.fxml"));
        
        try {
            final Object root = loader.load();
            assert root == this;
        } catch (IOException ex) {
            throw new IllegalStateException(ex);
        }
        
        final KeypadController keypadController = loader.getController();
        assert keypadController != null;
        return keypadController;
    }
    
    void setValidateCallback(Callback<String,Boolean> callback) {
        controller.setValidateCallback(callback);
    }
}
